Home / 12,157,179.75-16,777,817.81-6,930,311.96

Finding the Fourth Proportional to 12,157,179.75, 16,777,817.81 and 6,930,311.96

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Solution

The fourth proportional to 12,157,179.75, 16,777,817.81 and 6,930,311.96 is: 9,564,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,179.75 : 16,777,817.81 = 6,930,311.96 : x
  2. Step 2: Convert to fraction form
    12,157,179.75/16,777,817.81 = 6,930,311.96/x
  3. Step 3: Cross multiply
    12,157,179.75x = 16,777,817.81 × 6,930,311.96
  4. Step 4: Simplify right side
    12,157,179.75x = 116,275,511,312,803.36
  5. Step 5: Solve for x
    x = 116,275,511,312,803.36/12,157,179.75
  6. Step 6: Final answer
    x = 9,564,349.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.